Rosco - Bris. replied:

On a more general note we had a key break in half in the Disco ignition a while back. Apart from being an almost total pain in the arse .... it didn't have the same level of security, the locksmith advised you should only use a key for about 3 years due to wear etc.Fidei defensor

Rosco

Member - Eskimo replied:

Eric, is the new key to become the master or is it the original and do we store the master for future use.

Do they have to be able to turn the ignition to be able to code the new key? Wow, am I cute! The extra long legs are built-in prevention against ducks disease. Great looks and a real goer. Doesnt waddle along like some.

Phil G replied:

Hi Eric,

Well done.
The 90s Prados came with two master (black) transponder keys, one non-master (grey) transponder keys and two remotes. I'd suggest that people keep one black key aside for that purpose and survive with the two others. But like you say, if they have lost a master, best get it replaced. Nick's problem was he only had one master to start with.

Another interesting thing was the transponder keys are sealed and have no battery, so they only fail if damaged.

I'd expect the keys to survive longer if remotes are used.

Member - Bernie. (Vic) replied:

Hi Eric
is this the order you do it ?
1 buy a blank from Toyota
2 locksmith to cut key
3 back to Toyota to recode new key.

CheersPrado TD Auto
Little Desert 11/03
Only a lady driver would do that

Member - Nick K (VIC) replied:

Guys I suggest you do the following.

1) get a blank key from Toyota.
2) get the key number from Toyota if you don't have it.
3) go to a locksmith (not a shooping centre one) and get them to cut the new key from the key number not your sightly worn out key.
4) back to Toyota to re-code.

OR
1) go straight to locksmith (if you current key if functioning) and most good locksmiths can do the lot. They have key blanks and can re-code them for you.

My problem is I couldnt take the above road as my master (one only) stuffed up so I needed Toyota to do something but if you have a good working key get the locksmith to do the lot but make sure they cut the new key from the key number database not your original as this is worn. Keep the new master at home just incase. This applies to all new microchipped keys not just Toyota.

Anyway take it from someone that has been running around for two days you could save yourself the hassell by spending a couple of hundred now.

Also thanks to Eric for talking to much to alot of people. With his mates I saved money.

thomo replied:

I have just had the same problem with my 100 series,When i bought the car it only came with the secodary key no master key at all so i went to a lock smith who checked the key to see if it had a micro chip in it,it did so he said all i needed to do was get a knew key have it cut then take the car and the key to toyota and have the code put on the new key, tried that but toyota said they cant take the code of the secodary key so they sugested i take out the drivers side door lock the key code is stamped on there so i did that got the code went back to toyota then the head mechanic said he still cant put the code on the new key without the master key.Getting very angry by this stage.So know i have had to order a new ecu and start all over again.So i sugest to any one with these type of keys to get one cut and coded of your master know before it cost you a fortune.By the way toyota sell a new key for $99.00 plus cutting which cost $23.00 +$15.00 to put the code on ,i got a key from the locksmith for $56.00 and the ecu was $250.00

chrisfrd replied:

Of course, if you had a Nissan GU Patrol, you wouldn't have this problem!

THey use the Bosch transponder system, which only requires recoding using the Nissan MOC-2 ECU coding computer and the dealers smart-card.

You just buy the new key, have it cut, give it to the dealer who is supposed to check your ownership details, then proggs the key in from the MOC-2 unit.

Done!

murranji replied:

Had the same trouble..Key wore out at 110000kms ..98 100 R V toyota..Small metal tag on key ring was missing from previous Toyota Co. owner..Door trim off..Number found.$99 Key puchased cut from Toyota..Lots of trouble encoding new key but patience persisted as system has been changed according to Toyota mechanic..Lesson ..Keep your key number..Use grey key as much as possible..Keys wear out rapidly..Perhaps keyless locking is an advantage{mine is an R V model,central loking but not remote] to save key wear.

prado95 replied:

Those looking for an immediate resolution (possibly away from civilisation) should consider how the "key transponderamplifier" & "transponder key computer" interconnect to the engine ecu on page G45, G44, G43 in the electrical wiring diagram supplement

http://groups.yahoo.com/group/90series